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Questions related from Hemant Nautiyal
On conducting ball on disc test, i found friction and wear rate of pure copper sample increases initially with load then it starts decreasing with load. On analyzing the SEM micrographs ( cannot...
27 September 2018 9,111 35 View
I have sintered Copper matrix composite which is reinforced by graphene, since graphene shows negative thermal expansion upto a certain temperature and copper shows positive thermal expansion...
05 February 2018 8,040 1 View
During XRD i found the peaks of CuAl2O4, CuMo2S3, AlB12 compounds and i want to know the effect of these compounds on tribological properties of Copper matrix composite during dry sliding. Plz...
17 November 2017 499 2 View
We have a pellet of size 30 mm diameter and 6 mm. thickness,it is a metal matrix composite, how i am supposed to measure the tensile strength of it, by which machine or facility or method it can...
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Does 1% stearic acid as PCA means,1% stearic acid and rest 99% water ,or 1% stearic acid and rest 99% is the material to be ball milled,or it is some thing else?What are the other PCA that can be...
21 April 2017 7,385 3 View
i am thinking of cryomilling PMMA poly methyl methaacrylate in that case what PA should i use along with liquid nitrogen,is there any specific ratio of liquid nitrogen and PA used ?
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While fabricating the Mg based composite by powder metallurgy what difficulties are faced by a researcher and how they can be avoided
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If we want to fabricate a composite to serve a definite purpose,what approach we should have in the selection of its constituents,in the other words how we can estimate the properties of a...
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